package com.siro.auth.base.config;

import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.siro.auth.base.common.domain.BaseEntity;
import com.siro.auth.base.constant.ResultCode;
import com.siro.auth.base.exception.ServiceException;
import com.siro.auth.utils.SecurityUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.util.Date;

/**
 * MyBatisPlus 自动填充配置类
 * @author starsea
 * @date 2022-07-13 11:29
 */
@Slf4j
@Component
public class CommonMetaObjectHandler implements MetaObjectHandler {

    @Override
    public void insertFill(MetaObject metaObject) {
        try {
            if (ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseEntity) {
                BaseEntity baseEntity = (BaseEntity) metaObject.getOriginalObject();
                String username = StringUtils.isNotBlank(baseEntity.getCreateBy()) ? baseEntity.getCreateBy() : SecurityUtils.getUsername();
                // 当前已登录 且 创建人为空 则填充
                baseEntity.setCreateBy(username);
                Date current = ObjectUtil.isNotNull(baseEntity.getCreateTime()) ? baseEntity.getCreateTime() : new Date();
                baseEntity.setCreateTime(current);
            }
        } catch (Exception e) {
            throw new ServiceException("自动注入异常 => " + e.getMessage(), ResultCode.UNAUTHORIZED);
        }
    }

    @Override
    public void updateFill(MetaObject metaObject) {
        try {
            if (ObjectUtil.isNotNull(metaObject) && metaObject.getOriginalObject() instanceof BaseEntity) {
                BaseEntity baseEntity = (BaseEntity) metaObject.getOriginalObject();
                Date current = new Date();
                // 更新时间填充(不管为不为空)
                baseEntity.setUpdateTime(current);
                String username = SecurityUtils.getUsername();
                // 当前已登录 更新人填充(不管为不为空)
                if (StringUtils.isNotBlank(username)) {
                    baseEntity.setUpdateBy(username);
                }
            }
        } catch (Exception e) {
            throw new ServiceException("自动注入异常 => " + e.getMessage(), ResultCode.UNAUTHORIZED);
        }
    }
}
